Finding the Fourth Proportional to 556,763.47, 835,134.94 and 177,681.21
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Solution
The fourth proportional to 556,763.47, 835,134.94 and 177,681.21 is: 266,518.54
Step by Step Solution
- Step 1: Write the proportion equation
556,763.47 : 835,134.94 = 177,681.21 : x - Step 2: Convert to fraction form
556,763.47/835,134.94 = 177,681.21/x - Step 3: Cross multiply
556,763.47x = 835,134.94 × 177,681.21 - Step 4: Simplify right side
556,763.47x = 148,387,786,652.48 - Step 5: Solve for x
x = 148,387,786,652.48/556,763.47 - Step 6: Final answer
x = 266,518.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.